PL287629A1 - Loop-type symmetrizer - Google Patents

Loop-type symmetrizer

Info

Publication number
PL287629A1
PL287629A1 PL28762990A PL28762990A PL287629A1 PL 287629 A1 PL287629 A1 PL 287629A1 PL 28762990 A PL28762990 A PL 28762990A PL 28762990 A PL28762990 A PL 28762990A PL 287629 A1 PL287629 A1 PL 287629A1
Authority
PL
Poland
Prior art keywords
symmetrizer
loop
type
type symmetrizer
Prior art date
Application number
PL28762990A
Original Assignee
Asea Brown Boveri
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri
Publication of PL287629A1 publication Critical patent/PL287629A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
    • H03H7/422—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns comprising distributed impedance elements together with lumped impedance elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
    • H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
PL28762990A 1989-11-09 1990-11-05 Loop-type symmetrizer PL287629A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH404889 1989-11-09

Publications (1)

Publication Number Publication Date
PL287629A1 true PL287629A1 (en) 1991-11-04

Family

ID=4268844

Family Applications (1)

Application Number Title Priority Date Filing Date
PL28762990A PL287629A1 (en) 1989-11-09 1990-11-05 Loop-type symmetrizer

Country Status (9)

Country Link
US (1) US5115214A (en)
EP (1) EP0426988A1 (en)
JP (1) JPH03172001A (en)
CN (1) CN1018494B (en)
BR (1) BR9005598A (en)
CA (1) CA2026846A1 (en)
CS (1) CS276882B6 (en)
PL (1) PL287629A1 (en)
RU (1) RU1836757C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5379006A (en) * 1993-06-11 1995-01-03 The United States Of America As Represented By The Secretary Of The Army Wideband (DC to GHz) balun
US5733893A (en) * 1995-03-15 1998-03-31 Washington University Method of identifying molecules that regulate FGF activity
US6009318A (en) * 1997-07-23 1999-12-28 Ericsson Inc. Electronically adjustable balanced-to-unbalanced converters (balun)
US6097349A (en) * 1997-11-18 2000-08-01 Ericsson Inc. Compact antenna feed circuits
US20030211605A1 (en) * 2001-05-01 2003-11-13 Lee Sang-Hun Derivation of midbrain dopaminergic neurons from embryonic stem cells
US20040201539A1 (en) * 2003-04-09 2004-10-14 Yewen Robert G. Radio frequency identification system and antenna system
EP1623479B1 (en) 2003-05-14 2006-08-23 Rohde & Schwarz GmbH & Co. KG Symmetrizing arrangement
KR100715420B1 (en) * 2003-08-29 2007-05-09 후지쓰 텐 가부시키가이샤 Circular polarization antenna and integrated antenna having the same
FR2907600B1 (en) * 2006-10-24 2009-11-20 Satimo Sa ORTHOGONAL MODE JUNCTION OPERATING METHOD WITH WIDE ORTHOGONAL MODE JUNCTION BAND AND COUPLER USING THE SAME
CN101599743B (en) * 2009-05-18 2011-06-08 北京瑞夫艾电子有限公司 Baran impedance converter for radio frequency pull-push power amplifier
CN101577526B (en) * 2009-05-31 2011-04-27 北京瑞夫艾电子有限公司 Radio-frequency push-pull power amplifier
CN103378391B (en) * 2012-04-27 2016-08-31 Ge医疗系统环球技术有限公司 A kind of balun

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2187014A (en) * 1937-03-13 1940-01-16 Telefunken Gmbh Antenna transformer
DE724131C (en) * 1937-03-14 1942-08-19 Telefunken Gmbh Circuit for adapting an asymmetrical high-frequency arrangement to a symmetrical one
US2368694A (en) * 1942-08-15 1945-02-06 Standard Telephones Cables Ltd Coupling device
US2646505A (en) * 1946-03-01 1953-07-21 Us Sec War Broad band bidirectional antenna
US3129393A (en) * 1961-03-30 1964-04-14 James T Coleman Balun transformer with variable transformation ratio
US3265994A (en) * 1964-06-10 1966-08-09 Collins Radio Co Radio frequency coupling transmission line circuitry

Also Published As

Publication number Publication date
RU1836757C (en) 1993-08-23
CS276882B6 (en) 1992-08-12
BR9005598A (en) 1991-09-17
CA2026846A1 (en) 1991-05-10
US5115214A (en) 1992-05-19
CS9005442A2 (en) 1991-09-15
CN1018494B (en) 1992-09-30
EP0426988A1 (en) 1991-05-15
JPH03172001A (en) 1991-07-25
CN1051827A (en) 1991-05-29

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